<s>
Scrapy	B-Protocol
(	O
)	O
is	O
a	O
free	B-License
and	I-License
open-source	I-License
web-crawling	B-Application
framework	B-Application
written	O
in	O
Python	B-Language
and	O
developed	O
in	O
Cambuslang	O
.	O
</s>
<s>
Originally	O
designed	O
for	O
web	B-Application
scraping	I-Application
,	O
it	O
can	O
also	O
be	O
used	O
to	O
extract	O
data	O
using	O
APIs	B-Application
or	O
as	O
a	O
general-purpose	O
web	B-Application
crawler	I-Application
.	O
</s>
<s>
Scrapy	B-Protocol
project	O
architecture	O
is	O
built	O
around	O
"	O
spiders	O
"	O
,	O
which	O
are	O
self-contained	O
crawlers	O
that	O
are	O
given	O
a	O
set	O
of	O
instructions	O
.	O
</s>
<s>
Following	O
the	O
spirit	O
of	O
other	O
do	O
n't	O
repeat	O
yourself	O
frameworks	O
,	O
such	O
as	O
Django	B-Language
,	O
it	O
makes	O
it	O
easier	O
to	O
build	O
and	O
scale	O
large	O
crawling	O
projects	O
by	O
allowing	O
developers	O
to	O
reuse	O
their	O
code	O
.	O
</s>
<s>
The	O
Scrapy	B-Protocol
framework	B-Application
provides	O
you	O
with	O
powerful	O
features	O
such	O
as	O
auto-throttle	O
,	O
rotating	O
proxies	O
and	O
user-agents	O
,	O
allowing	O
you	O
scrape	O
virtually	O
undetected	O
across	O
the	O
net	O
.	O
</s>
<s>
Scrapy	B-Protocol
also	O
provides	O
a	O
web-crawling	B-Application
shell	B-Operating_System
,	O
which	O
can	O
be	O
used	O
by	O
developers	O
to	O
test	O
their	O
assumptions	O
on	O
a	O
site	O
’s	O
behavior	O
.	O
</s>
<s>
Some	O
well-known	O
companies	O
and	O
products	O
using	O
Scrapy	B-Protocol
are	O
:	O
Lyst	O
,	O
Parse.ly,	O
Sayone	O
Technologies	O
,	O
Sciences	O
Po	O
Medialab	O
,	O
uk	O
’s	O
World	O
Government	O
Data	O
site	O
.	O
</s>
<s>
Scrapy	B-Protocol
was	O
born	O
at	O
London-based	O
web-aggregation	O
and	O
e-commerce	O
company	O
Mydeco	O
,	O
where	O
it	O
was	O
developed	O
and	O
maintained	O
by	O
employees	O
of	O
Mydeco	O
and	O
Insophia	O
(	O
a	O
web-consulting	O
company	O
based	O
in	O
Montevideo	O
,	O
Uruguay	O
)	O
.	O
</s>
<s>
The	O
first	O
public	O
release	O
was	O
in	O
August	O
2008	O
under	O
the	O
BSD	B-Operating_System
license	I-Operating_System
,	O
with	O
a	O
milestone	O
1.0	O
release	O
happening	O
in	O
June	O
2015	O
.	O
</s>
